Knock AI vs VideoArt Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knock AI
This AI-powered platform helps parents and children create personalized stories, picture books, and nursery rhymes. Users can choose themes and age tags to generate unique content, fostering creativity and documenting a child's growth journey.
- AI story and picture book generation
- AI nursery rhyme creation
- Customizable themes and age tags
- Free library of stories and rhymes
- Story collection for child's growth
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Knock AI - Children's Artificial Intelligence Partner 【 AI Playmate 】 A platform that uses AI to create and share stories, picture books, and nursery rhymes, allowing parents and children to easily create picture books and music with AI 【 AI Picture Books 】 Children and parents only need to choose their favorite themes, content, age tags, etc., and AI can weave entertaining picture book stories, opening the door to children's imaginative ideas 【AI Nursery Songs】Generate various styles of nursery rhymes such as pure music, lullabies, tongue twisters, etc. with just one click, supporting both Chinese and English, and inspiring children's creativity 【 Free Square 】 Massive picture books and nursery rhymes for free listening, saving the cost of selection and purchase 【 Customized Childhood 】 The 'Story Collection' function records every story and nursery rhyme created by parents for their children, documenting their growth journey
VideoArt Studio
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Professional video editing with unlimited creative possibilities! Feature Highlights: 1. Smart Video Trimming - Precise timeline control for easy clip cutting - Real-time preview for WYSIWYG experience - One-click export of high-quality videos in multiple resolutions 2. AI Cartoon Filter - Advanced AI technology to convert photos to cartoon style in one click - Multiple artistic styles available for unique visual effects - Supports cartoonization of both photos and videos 3. Stunning Text Animation - Rich library of text animation effects - Customizable fonts, colors, and animation speed - Make text the highlight of your videos Download now and start your creative journey! Perfect for daily recording, social sharing, or professional creation.
Screenshots
Verdict
Knock AI and VideoArt Studio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Knock AI ships an update fortnightly, VideoArt Studio every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Knock AI | VideoArt Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 47 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海启扉绘梦智能科技有限公司 | 北京微聚科技有限公司 |
In-app purchases
Knock AI
No in-app purchases
VideoArt Studio
No in-app purchases









